Members of the Anonymous hacktivist collective claim to have launched the first strikes against North Korea as part of its Operation Free Korea.
Earlier this week, the hactivist group threatened North Korea with cyber war if the country’s leader Kim Jong-un does not resign and install free democracy in the territory.
Anonymous is also demanding that North Korea abandon its nuclear ambitions and give universal and uncensored internet access to its citizens.
The threat was made in a message posted to Pastebin that also claimed that 15,000 membership records had been stolen from the Uriminzokkiri website.
Anonymous also claimed that it had access to North Korea’s local intranets, mail servers and web servers.
Now the group claims it has forced Uriminzokkiri offline and breached the state-run website’s Twitter and Flickr accounts.
The accounts have stopped sending out typical content, instead the Flickr account posted a picture of Kim Jong-un’s face with a pig-like snout, according to the Belfast Telegraph.
The paper said the accompanying text reads: "Threatening world peace with ICBMs and nuclear weapons/Wasting money while his people starve to death."
A series of postings on the Uriminzokkiri Twitter account said "Hacked" followed by a link to different North Korea-related websites.
In addition to taking down Uriminzokkiri and its social accounts, Anonymous has defaced books and music store Ryomyong and a website belonging to a North Korea-linked political group, known as AINDF.
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Anonymous claimed in another Pastebin statement that it has members inside North Korea who are aiding them with their attack.
“We have a few guys on the ground who managed to bring the real internet into the country using a chain of long-distance Wi-Fi repeaters with proprietary frequencies, so they’re not jammed (yet),” the group wrote.
“We also have access to some N.K. phone landlines which are connected to Kwangmyong through dial-ups. Last missing piece of puzzle was to interconnect the two networks, which those guys finally managed to do,” the statement said.
The group praised its operatives for “trying to bring the real, free, uncensored internet to the citizens of North Korea” and called on others to help and stand up against governments around the world.
“Citizens of North Korea, South Korea, USA, and the world, don’t allow your governments to separate you.
“We are all one. We are the people. Our enemies are the dictators and regimes, our goals are freedom and peace and democracy. United as one, divided by zero, we can never be defeated,” the group said.
The Anonymous attacks and threats come amid heightened tensions on the Korean Peninsula with South Korea and its US ally after the North’s latest nuclear test, but Anonymous said it is fighting for freedom and does not support the US.